pinctrl: baytrail: Add missing spinlock usage in byt_gpio_irq_handler

According to VLI64 Intel Atom E3800 Specification Update (#329901)
concurrent read accesses may result in returning 0xffffffff and write
accesses may be dropped silently.
To workaround all accesses must be protected by locks.

Cc: stable@vger.kernel.org
Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

path: root/net/bluetooth/leds.h

/*
 * Copyright 2015, Heiner Kallweit <hkallweit1@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#if IS_ENABLED(CONFIG_BT_LEDS)

void hci_leds_update_powered(struct hci_dev *hdev, bool enabled);
void hci_leds_init(struct hci_dev *hdev);

void bt_leds_init(void);
void bt_leds_cleanup(void);

#else

static inline void hci_leds_update_powered(struct hci_dev *hdev,
					   bool enabled) {}
static inline void hci_leds_init(struct hci_dev *hdev) {}

static inline void bt_leds_init(void) {}
static inline void bt_leds_cleanup(void) {}

#endif